Made in Chelsea series 21

The twenty-first series of Made in Chelsea, a British structured-reality television programme began airing on 29 March 2021, and concluded after twelve episodes on 14 June. Due to the COVID-19 pandemic, like the previous series it was announced that the cast would be following government guidelines whilst filming this series, with some of the cast moving into country houses located in the Cotswolds and Suffolk where they were quarantined together. The series ended with an episode back in its usual location in Chelsea.

Ahead of the series it was announced that Miles Nazaire and Julius Cowdrey would be returning to the show, whilst Victoria Baker-Harber returned for the series finale. With the series being filmed away from its usual location, it featured a number of notable absences from the regular cast including Amelia Mist, Freddie Browne, Harry Baron, Melissa Tattam and Zara McDermott. Instead, joining the cast was Eloise St. Clair-Charles, Inga Valentiner and Robbie Mullett, whilst Tom Zanetti also made several appearances.

Cast
• Alex Mytton

• Eloise St. Clair-Charles

• Emily Blackwell

• Fredrik Ferrier

• Gareth Locke

• Harvey Armstrong

• Inga Valentiner

• James Taylor

• Julius Cowdrey

• Maeva D'Ascanio

• Mark-Francis Vandelli

• Miles Nazaire

• Olivia Bentley

• Ollie Locke

• Paris Smith

• Reza Amiri-Garroussi

• Robbie Mullett

• Ruby Adler

• Sam Thompson

• Sophie “Habbs” Habboo

• Sophie Hermann

• Tiff Watson

• Tom Zanetti

• Tristan Phipps

• Verity Scarlett Bowditch

• Victoria Baker-Harber

Ratings
Catch-up service totals were added to the official ratings.